Preface. Cellular Bases of Motor Programme Selection. Modulatory control of multiple task processing in the stomatogastric nervous system, E. Marder & J. M. Weimann. Control of egg laying behaviour patterns in Lymnaea stagnalis, A. Ter Maat et al. Motor programme selection and the control of feeding in the snail, C. R. McCrohan & M. A. Kyriakides. Mechanisms of behavioural selection in Lymnaea stagnalis, W. Winlow et al. To flex, swim or struggle? Behavioural selection in Xenopus embryos, S. R. Soffe. Many neurones in the Aplysia abdominal ganglion are active during the gill-withdrawal reflex, Chun Xiao Falk et al. Distributed Neural Networks and Motor Programme Selection. Mechanisms of motor pattern switching in crickets: stridulation and flight, R. M. Hennig. Neural circuits for speed change in swimming fish, B. L. Roberts & W. Mos. Decision-making in the insect nervous system: a model for selection and maintenance of motor programmes, J. Kien & J. S. Altman. Making behavioural choices with interneurones in a distributed system, W. B. Kristan et al. Selection of Directed Movements. Control of goal-directed limb movements in primates: neurobiological evidence for parallel, distributed motor processing, G. E. Alexander & M. D. Crutcher. Premotor systems, attention to action and behavioural choice, G. Goldberg. Directed movement in the frog: motor choice, spatial representation, free will? P. Grobstein. Epilogue. Deciding what to do next, J. Kien et al. Index.